on April 2, 2022
How long is the Mid Ocean Ridge?
Regional Specifics65,000 kilometers65,000 kilometers (40,390 miles) and with more than 90 percent of the mountain range lying in the deep ocean. How long is the Mid-Atlantic Ridge? about 10,000 miles The Mid-Atlantic Ridge is in effect an immensely long mountain chain extending for about 10,000 miles (16,000 km) in a curving path from the Arctic Ocean
on April 2, 2022
What evidence suggests that continents move?
Regional SpecificsThe evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones. What causes continents to move prove it with evidence? The causes of continental drift are perfectly explained by the plate tectonic theory. The earth’s outer shell is composed
on April 2, 2022
How is rhyolite and granite similar?
Regional SpecificsGranite is plutonic and rhyolite is volcanic. They have very similar compositions but one is erupted onto Earth’s surface and the other crystallises at depth. As a result, plutonic rocks are coarse-grained and volcanic rocks are fine-grained. How are rhyolite and granite similar and different? Hint: Rhyolite and granite have similar composition. The difference between
on April 2, 2022
What caused the Southern Alps?
Regional SpecificsLike the Alpsthe AlpsThe French Alps are the portions of the Alps mountain range that stand within France, located in the Auvergne-Rhône-Alpes and Provence-Alpes-Côte d’Azur regions. While some of the ranges of the French Alps are entirely in France, others, such as the Mont Blanc massif, are shared with Switzerland and Italy. When did the
on April 2, 2022
What is subduction in geology?
Regional SpecificsSubduction occurs when an oceanic plateoceanic plateOceanic crust is the uppermost layer of the oceanic portion of the tectonic plates. It is composed of the upper oceanic crust, with pillow lavas and a dike complex, and the lower oceanic crust, composed of troctolite, gabbro and ultramafic cumulates. The crust overlies the solidified and uppermost layer
on April 2, 2022
What types of rocks are basalt?
Regional SpecificsWhat is Basalt? Basalt is a dark-colored, fine-grained, igneous rockigneous rockIgneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. What type of metamorphic rock